#include <stdio.h>

/* 打印字符，读取字符 */

int readChar() {

    printf("exercise for 1-6 and 1-7 in page 11\n");

    int c;
    
    printf("type Enter please.\n");
    c = getchar();
    printf("Enter is %d. \n", c);

    while( (c=getchar()) != EOF) {
        putchar(c);
    }
}
